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Nadav Amit authored
Francois reported that VMware balloon gets stuck after a balloon reset, when the VMCI doorbell is removed. A similar error can occur when the balloon driver is removed with the following splat: [ 1088.622000] INFO: task modprobe:3565 blocked for more than 120 seconds. [ 1088.622035] Tainted: G W 5.2.0 #4 [ 1088.622087] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1088.622205] modprobe D 0 3565 1450 0x00000000 [ 1088.622210] Call Trace: [ 1088.622246] __schedule+0x2a8/0x690 [ 1088.622248] schedule+0x2d/0x90 [ 1088.622250] schedule_timeout+0x1d3/0x2f0 [ 1088.622252] wait_for_completion+0xba/0x140 [ 1088.622320] ? wake_up_q+0x80/0x80 [ 1088.622370] vmci_resource_remove+0xb9/0xc0 [vmw_vmci] [ 1088.622373] vmci_doorbell_destroy+0x9e/0xd0 [vmw_vmci] [ 1088.622379] vmballoon_vmci_cleanup+0x6e/0xf0 [vmw_balloon] [ 1088.622381] vmballoon_exit+0x18/0xcc8 [vmw_balloon] [ 1088.622394] __x64...
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